/*
 * Copyright 2008 Carnegie Mellon University
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *  
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, 
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package edu.cmu.lti.sepia.servlet;

import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;

public final class SessionObserver implements HttpSessionListener {
	
	private static int count = 0;

	public void sessionCreated(HttpSessionEvent se) {
		count++;
	}

	public void sessionDestroyed(HttpSessionEvent se) {
		count--;
	}

	public static int getSessionCount() {
		return count;
	}
} 
